Home / 11,237.85-15,507.18-6,521.67

Finding the Fourth Proportional to 11,237.85, 15,507.18 and 6,521.67

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Solution

The fourth proportional to 11,237.85, 15,507.18 and 6,521.67 is: 8,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.85 : 15,507.18 = 6,521.67 : x
  2. Step 2: Convert to fraction form
    11,237.85/15,507.18 = 6,521.67/x
  3. Step 3: Cross multiply
    11,237.85x = 15,507.18 × 6,521.67
  4. Step 4: Simplify right side
    11,237.85x = 101,132,710.59
  5. Step 5: Solve for x
    x = 101,132,710.59/11,237.85
  6. Step 6: Final answer
    x = 8,999.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.